They sold the patent for insulin for $1
They didn’t just discover insulin—they gave it away.

November 14 is World Diabetes Day—a moment to honor Frederick Banting’s radical generosity and his dream of a healthier world.

In 1921, Frederick Banting and Charles Best discovered insulin.
They sold the patent for $1—to make sure people could access it.

Banting said: “Insulin does not belong to me, it belongs to the world.”

Most people don’t know that. But you do.

And most people don’t know this either: Even today, a single vial of insulin in the U.S. can cost nearly $100—far more than in other countries.

Many people need 2–4 vials every month, sometimes more. For those without coverage, that can mean $400–$600+ per month, just to stay alive.

Thankfully, legislation-imposed pricing caps are starting to reflect what Banting believed.
Slowly—whether we realize it or not—we’re beginning to align with the generosity that shaped his vision.

Let purpose—not profit—guide your decisions.
It might change everything. 💙
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This blog is dedicated to Irl Flanagan, who was my friend and grammar mentor. Over the last 20 or so years, he spent countless hours editing my manuscripts and teaching me the intricacies of sentence structure and the true meaning and the proper usage of words. 

Irl died 4 months before his 100th birthday.

About Me

I’m Peggy Kraus, an exercise physiologist and diabetes care and education specialist. My clients often tell me my superpower is helping people reverse type 2 diabetes — but the impact goes far beyond blood sugar.

After almost 30 years in cardiac rehab, I’ve seen how the American diet has affected people’s lives. I know health isn’t just about managing symptoms. It’s about reversing disease when possible, feeling strong and energized, and getting your life back.

I’ve helped thousands of people lower blood sugar, lose weight, improve cholesterol, and reduce blood pressure — all through simple, strategic lifestyle changes rooted in science and compassion.

My signature 6‑week program, 5 to Thrive, teaches the five key strategies my most successful clients use to create lasting change. And my newest program, Diabetes Rescue, is helping people move toward type 2 diabetes remission with a bold, plant‑powered approach that gives them the tools, support, and confidence to take back control of their health.

A plant‑based lifestyle is powerful. And so are the results my clients achieve.



Photo of Peggy Kraus